The blue shark (Prionace glauca) might be more than its name. Scientists investigating the sleek ocean predator's skin discovered nanostructures that not only produce its signature hue, but also ...

Blue sharks have become very well known for the color of their skin, but new research indicates that these iconic sharks might be more than meets the eye. In fact, blue sharks might just be one of ...

Chameleons can change to yellow, orange, and black quickly - but struggle with green or blue, experts say. Research found the flap-necked chameleon can match certain colors with greater accuracy and ...